EAMCET Engineering 2007 Solved Paper

Section: Mathematics

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Question : 105 of 160

Marks: +1, -0

If cos(A−B)=3∕5 and tan‌A‌tan‌B=2, then which one of the following is true ?

sin‌(A+B)=‌
1
5
sin‌(A+B)=−‌
1
5
cos(A−B)=‌
1
5
cos(A+B)=−‌
1
5

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